#include <stdio.h>
int main()
{
	int a,b;
	a=12;
	b=5;
	printf("12+5=%d\n",a+b);
	printf("12-5=%d\n",a-b);
	printf("12*5=%d\n",a*b);
	printf("12/5=%d\n",a/b);
	return 0;
 } 
